Muffler for an engine



FIG. 1 is a perspective view of a muffler for an engine showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The ornamental design for a muffler for an engine, as shown anddescribed.